// https://ptgmedia.pearsoncmg.com/images/9780321714114/downloads/GCC_pre_C11.zip
#include <iostream>
#include "../Sales_item.h"
using namespace std;

int main(){
    Sales_item book1,book2,book3;
    cin >> book1 >> book2 >> book3;
    cout << book1 << book2 << book3 << endl;

    return 0;
}
